They're teammates and roommates too. Peters, the Chiefs' first-round pick, can walk steps to find a player in Nelson learning the same exact playbook.

"He's a good guy, man, a real chill guy," Nelson said. "We help each other out whenever we can, just going over the playbook or anything."

That camaraderie will help their team in the short and long term. Kansas City expects the duo to evolve into starters one day soon. In the meantime, both will be called upon to fill in for suspended starter Sean Smith.Smith's reps have been evenly distributed thus far in camp. That could easily change if one or both rookies prove they're ready.

The rookies lack in on-field experience. They do not lack in confidence.

"I know everything is going to be turned up," Peters said. "We have a big goal among this team, and that's to win the Super Bowl."